DE69513111T2 - Verfahren zur Hydrofluorierung von Chloro(fluoro)butan - Google Patents

Verfahren zur Hydrofluorierung von Chloro(fluoro)butan

Info

Publication number: DE69513111T2
Authority: DE; Germany
Prior art keywords: process according; chloro; butane; fluoro; catalyst
Prior art date: 1994-09-05
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

DE69513111T

Other languages

German (de)

English (en)

Other versions

DE69513111D1 (de

Inventor

Francine Janssens

Pascal Pennetreau

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Solvay SA

Original Assignee

Solvay SA

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1994-09-05

Filing date

1995-08-29

Publication date

2000-08-17

1995-08-29 Application filed by Solvay SA filed Critical Solvay SA

1999-12-09 Publication of DE69513111D1 publication Critical patent/DE69513111D1/de

2000-08-17 Application granted granted Critical

2000-08-17 Publication of DE69513111T2 publication Critical patent/DE69513111T2/de

2015-08-30 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 40
DUPQXMJUMBAVMO-UHFFFAOYSA-N 1-chloro-1-fluorobutane Chemical compound CCCC(F)Cl DUPQXMJUMBAVMO-UHFFFAOYSA-N 0.000 title claims abstract description 29
239000003054 catalyst Substances 0.000 claims abstract description 21
WZLFPVPRZGTCKP-UHFFFAOYSA-N 1,1,1,3,3-pentafluorobutane Chemical compound CC(F)(F)CC(F)(F)F WZLFPVPRZGTCKP-UHFFFAOYSA-N 0.000 claims abstract description 14
KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 14
238000006243 chemical reaction Methods 0.000 claims abstract description 14
229910000040 hydrogen fluoride Inorganic materials 0.000 claims abstract description 14
229910052751 metal Inorganic materials 0.000 claims abstract description 10
239000002184 metal Substances 0.000 claims abstract description 10
VMPVEPPRYRXYNP-UHFFFAOYSA-I antimony(5+);pentachloride Chemical compound Cl[Sb](Cl)(Cl)(Cl)Cl VMPVEPPRYRXYNP-UHFFFAOYSA-I 0.000 claims abstract description 9
OMRRUNXAWXNVFW-UHFFFAOYSA-N fluoridochlorine Chemical compound ClF OMRRUNXAWXNVFW-UHFFFAOYSA-N 0.000 claims abstract description 5
BSERHUYXVAIRSG-UHFFFAOYSA-N 1-chloro-1,1,3,3-tetrafluorobutane Chemical compound CC(F)(F)CC(F)(F)Cl BSERHUYXVAIRSG-UHFFFAOYSA-N 0.000 claims abstract description 4
229910052787 antimony Inorganic materials 0.000 claims abstract description 4
MRKAIYYTIQVWCK-UHFFFAOYSA-N 1,1-dichloro-1,3,3-trifluorobutane Chemical compound CC(F)(F)CC(F)(Cl)Cl MRKAIYYTIQVWCK-UHFFFAOYSA-N 0.000 claims abstract description 3
JZKJJRVPJFNKMB-UHFFFAOYSA-N 1,3-dichloro-1,1,3-trifluorobutane Chemical compound CC(F)(Cl)CC(F)(F)Cl JZKJJRVPJFNKMB-UHFFFAOYSA-N 0.000 claims abstract description 3
OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 claims abstract description 3
150000001875 compounds Chemical class 0.000 claims description 11
150000002739 metals Chemical class 0.000 claims description 9
230000000737 periodic effect Effects 0.000 claims description 8
239000007791 liquid phase Substances 0.000 claims description 5
238000002360 preparation method Methods 0.000 claims description 5
150000001805 chlorine compounds Chemical class 0.000 claims description 4
150000002222 fluorine compounds Chemical class 0.000 claims description 4
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical class [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 3
FFBFEBDZFWMXBE-UHFFFAOYSA-N 1,1,1,3,3-pentachlorobutane Chemical group CC(Cl)(Cl)CC(Cl)(Cl)Cl FFBFEBDZFWMXBE-UHFFFAOYSA-N 0.000 claims description 2
NVSXSBBVEDNGPY-UHFFFAOYSA-N 1,1,1,2,2-pentafluorobutane Chemical compound CCC(F)(F)C(F)(F)F NVSXSBBVEDNGPY-UHFFFAOYSA-N 0.000 claims 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
239000000203 mixture Substances 0.000 description 8
239000012429 reaction media Substances 0.000 description 7
FRCHKSNAZZFGCA-UHFFFAOYSA-N 1,1-dichloro-1-fluoroethane Chemical compound CC(F)(Cl)Cl FRCHKSNAZZFGCA-UHFFFAOYSA-N 0.000 description 5
UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 4
229910021627 Tin(IV) chloride Inorganic materials 0.000 description 4
UKWHYYKOEPRTIC-UHFFFAOYSA-N mercury(ii) oxide Chemical compound [Hg]=O UKWHYYKOEPRTIC-UHFFFAOYSA-N 0.000 description 4
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical class CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 4
CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 3
238000004587 chromatography analysis Methods 0.000 description 3
239000000047 product Substances 0.000 description 3
239000000376 reactant Substances 0.000 description 3
150000003839 salts Chemical class 0.000 description 3
238000005070 sampling Methods 0.000 description 3
229950011008 tetrachloroethylene Drugs 0.000 description 3
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
238000004458 analytical method Methods 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
239000006227 byproduct Substances 0.000 description 2
239000007789 gas Substances 0.000 description 2
229910000041 hydrogen chloride Inorganic materials 0.000 description 2
IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
GBQWGHDWLUYAEG-UHFFFAOYSA-N 1,1,1,2,2-pentachlorobutane Chemical class CCC(Cl)(Cl)C(Cl)(Cl)Cl GBQWGHDWLUYAEG-UHFFFAOYSA-N 0.000 description 1
IZPMJFLFAHTFRK-UHFFFAOYSA-N 1,1,1-trichloro-3,3-difluorobutane Chemical compound CC(F)(F)CC(Cl)(Cl)Cl IZPMJFLFAHTFRK-UHFFFAOYSA-N 0.000 description 1
BHNZEZWIUMJCGF-UHFFFAOYSA-N 1-chloro-1,1-difluoroethane Chemical compound CC(F)(F)Cl BHNZEZWIUMJCGF-UHFFFAOYSA-N 0.000 description 1
239000008346 aqueous phase Substances 0.000 description 1
238000009835 boiling Methods 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000004821 distillation Methods 0.000 description 1
KVIPHDKUOLVVQN-UHFFFAOYSA-N ethene;hydrate Chemical compound O.C=C KVIPHDKUOLVVQN-UHFFFAOYSA-N 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
238000003682 fluorination reaction Methods 0.000 description 1
150000004820 halides Chemical class 0.000 description 1
229910000856 hastalloy Inorganic materials 0.000 description 1
150000004679 hydroxides Chemical class 0.000 description 1
239000012535 impurity Substances 0.000 description 1
238000009776 industrial production Methods 0.000 description 1
238000009533 lab test Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
239000012074 organic phase Substances 0.000 description 1
239000000523 sample Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
- C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
- C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
- C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Catalysts (AREA)

DE69513111T 1994-09-05 1995-08-29 Verfahren zur Hydrofluorierung von Chloro(fluoro)butan Expired - Lifetime DE69513111T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR9410684A FR2724167B1 (fr)	1994-09-05	1994-09-05	Procede pour l'hydrofluoration de chloro (fluoro) butane

Publications (2)

Publication Number	Publication Date
DE69513111D1 DE69513111D1 (de)	1999-12-09
DE69513111T2 true DE69513111T2 (de)	2000-08-17

Family

ID=9466744

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69513111T Expired - Lifetime DE69513111T2 (de)	1994-09-05	1995-08-29	Verfahren zur Hydrofluorierung von Chloro(fluoro)butan

Country Status (12)

Country	Link
US (1)	US5739406A (da)
EP (1)	EP0699649B1 (da)
JP (2)	JP3944254B2 (da)
KR (1)	KR100363940B1 (da)
AT (1)	ATE186289T1 (da)
BR (1)	BR9503889A (da)
CA (1)	CA2157211C (da)
DE (1)	DE69513111T2 (da)
DK (1)	DK0699649T3 (da)
ES (1)	ES2140615T3 (da)
FR (1)	FR2724167B1 (da)
TW (1)	TW298589B (da)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2724167B1 (fr) *	1994-09-05	1996-11-29	Solvay	Procede pour l'hydrofluoration de chloro (fluoro) butane
GB9518525D0 (en) *	1995-09-11	1995-11-08	Zeneca Ltd	Novel process
FR2744442B1 (fr) *	1996-02-01	1998-02-27	Atochem Elf Sa	Preparation du 1,1,1,3,3-pentachlorobutane et du 1,1,1,3,3,-pentafluorobutane
US6075172A (en) *	1996-09-03	2000-06-13	Zeneca Limited	Chlorofluorohydrocarbon and process thereto
US6350926B1 (en)	1996-09-03	2002-02-26	Syngenta Limited	Chlorofluorohydrocarbon and process thereto
JP2001514645A (ja) *	1997-03-11	2001-09-11	ゼネカ・リミテッド	フッ素化方法
CA2288939A1 (fr) *	1997-05-05	1998-11-12	Solvay (Societe Anonyme)	Procede de preparation de 1,1,1,3,3-pentachlorobutane
FR2768717B1 (fr) *	1997-09-24	1999-11-12	Solvay	Procede de separation de fluorure d'hydrogene de ses melanges avec un hydrofluoroalcane contenant de 3 a 6 atomes de carbone
ATE281422T1 (de) *	1998-09-03	2004-11-15	Solvay Fluor & Derivate	Reinigung von 1,1,1,3,3-pentafluorbutan
PL208571B1 (pl) *	1998-12-18	2011-05-31	Solvay	Sposób wytwarzania 1,1,1,3,3- pentafluorobutanu
FR2791976B1 (fr)	1999-03-24	2001-07-27	Solvay	Compositions contenant du fluorure d'hydrogene et du 1,1,1,3,3-pentafluorobutane, procede pour la separation de melanges comprenant de telles compositions et procede pour la synthese de 1,1,1,3,3-pentafluorobutane
US6399841B1 (en)	1999-03-24	2002-06-04	Solvay (Societe Anonyme)	Method for separating hydrogen fluoride from its mixtures with 1,1,1,3,3-pentafluorobutane and method for making 1,1,1,3,3-pentafluorobutane
FR2791975B1 (fr) *	1999-03-24	2001-07-27	Solvay	Procede de separation de fluorure d'hydrogene des ses melanges avec du 1,1,1,3,3-pentafluorobutane et procede de fabrication de 1,1,1,3,3-pentafluorobutane
ES2324515T3 (es) *	1999-10-06	2009-08-10	Solvay (Societe Anonyme)	Procedimiento de preparacion de un compuesto organico y metodo de recuperacion de un cocatalizador.
KR100379625B1 (ko) *	2000-08-05	2003-04-10	주식회사 세종소재	수소 정제용 게터
US6518467B2 (en)	2000-12-29	2003-02-11	Honeywell International Inc.	Method of making hydrofluorocarbons and hydrochlorofluorocarbons
US6673264B2 (en)	2001-06-01	2004-01-06	Honeywell International Inc.	Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydrogen fluoride
CN102224123B (zh) *	2008-11-25	2014-11-26	苏威氟有限公司	制备氯氟烯烃的方法
EP2196445A1 (en)	2008-12-15	2010-06-16	Solvay Fluor GmbH	Process for reducing the metal content in organic heavy boiler waste
TW201103972A (en)	2009-04-01	2011-02-01	Solvay Fluor Gmbh	Process for the manufacture of etched items

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA535808A (en) *		1957-01-15	A. Wiseman Park	2,3-difluoro-1,3-butadiene and preparation thereof
US2439299A (en) *	1946-07-26	1948-04-06	Phillips Petroleum Co	Production of halogenated hydrocarbons containing fluorine
GB675372A (en) *	1949-01-06	1952-07-09	Firestone Tire & Rubber Co	Improvements in or relating to 2, 3-difluoro-1, 3, butadiene, its polymers and copolymers and the preparation thereof
US2981762A (en) *	1957-12-13	1961-04-25	Allied Chem	Manufacture of fluoro butanes
GB938070A (en) *	1961-04-05	1963-09-25	Allied Chem	New fluorination process
LU75857A1 (da) *	1976-09-22	1978-05-12
BE1005095A3 (fr) *	1991-07-10	1993-04-20	Solvay	Procede pour la preparation de 1,1-dichloro-1,3,3,3-tetrafluoropropane.
BE1005096A3 (fr) *	1991-07-10	1993-04-20	Solvay	Procede pour la preparation de 1-chloro-1,1,3,3,3-pentafluoropropane et de 1,1,1,3,3,3-hexafluoropropane.
JP3605831B2 (ja) *	1992-10-05	2004-12-22	ダイキン工業株式会社	ハロゲン化炭化水素のフッ素化方法
US5395997A (en) *	1993-07-29	1995-03-07	Alliedsignal Inc.	Process for the preparation of hydrofluorocarbons having 3 to 7 carbon atoms
FR2724167B1 (fr) *	1994-09-05	1996-11-29	Solvay	Procede pour l'hydrofluoration de chloro (fluoro) butane

1994
- 1994-09-05 FR FR9410684A patent/FR2724167B1/fr not_active Expired - Fee Related
1995
- 1995-08-29 AT AT95202333T patent/ATE186289T1/de active
- 1995-08-29 DK DK95202333T patent/DK0699649T3/da active
- 1995-08-29 TW TW084109011A patent/TW298589B/zh not_active IP Right Cessation
- 1995-08-29 EP EP95202333A patent/EP0699649B1/fr not_active Expired - Lifetime
- 1995-08-29 ES ES95202333T patent/ES2140615T3/es not_active Expired - Lifetime
- 1995-08-29 DE DE69513111T patent/DE69513111T2/de not_active Expired - Lifetime
- 1995-08-30 US US08/520,763 patent/US5739406A/en not_active Expired - Lifetime
- 1995-08-30 CA CA002157211A patent/CA2157211C/fr not_active Expired - Fee Related
- 1995-08-31 JP JP22349695A patent/JP3944254B2/ja not_active Expired - Fee Related
- 1995-08-31 BR BR9503889A patent/BR9503889A/pt not_active IP Right Cessation
- 1995-09-05 KR KR1019950029021A patent/KR100363940B1/ko not_active IP Right Cessation
2006
- 2006-09-20 JP JP2006254053A patent/JP2006335770A/ja active Pending

Also Published As

Publication number	Publication date
KR100363940B1 (ko)	2003-01-29
DE69513111D1 (de)	1999-12-09
EP0699649A1 (fr)	1996-03-06
JPH0899918A (ja)	1996-04-16
CA2157211A1 (fr)	1996-03-06
FR2724167B1 (fr)	1996-11-29
TW298589B (da)	1997-02-21
CA2157211C (fr)	2007-08-21
US5739406A (en)	1998-04-14
JP2006335770A (ja)	2006-12-14
ATE186289T1 (de)	1999-11-15
ES2140615T3 (es)	2000-03-01
DK0699649T3 (da)	2000-05-08
BR9503889A (pt)	1996-09-17
FR2724167A1 (fr)	1996-03-08
JP3944254B2 (ja)	2007-07-11
EP0699649B1 (fr)	1999-11-03
KR960010597A (ko)	1996-04-20

Legal Events

Date	Code	Title	Description
2000-11-23	8364	No opposition during term of opposition

Publication	Publication Date	Title
DE69513111T2 (de)	2000-08-17	Verfahren zur Hydrofluorierung von Chloro(fluoro)butan
DE69707490T2 (de)	2002-05-23	Katalytische flüssigphase fluorierung von chlorkohlenwasserstoffen und chlorfluorkohlenwasserstoffen
DE68918463T2 (de)	1995-02-23	Verfahren zur herstellung von fluorenthaltenden haloethanen mit verwendung von aluminiumfluorid enthaltenden katalysatorzusammenstellungen.
DE69202207T2 (de)	1995-11-30	Verfahren zur Herstellung von 1-Chlor-1,1,3,3,3-Pentafluorpropan und von 1,1,1,3,3,3-Hexafluorpropan.
DE69724134T2 (de)	2004-06-09	Verfahren zur herstellung von 1,1,1,3,3-pentafluoropropan und 1-chloro-3,3,3-trifluoropropen in der dampfphase
DE69006951T2 (de)	1994-06-09	Verfahren zur Herstellung von 1,1,1,2-Tetrafluorethan.
DE69506493T2 (de)	1999-04-29	Herstellung von Difluoressigsäurefluoride und von Ester der Difluoressigsäure
DE69518645T2 (de)	2001-04-19	Herstellung von 1,2-dihydro und 2,2-dihydro hexafluorpropanen und ihre azeotrope mit hf
EP0036123B1 (de)	1983-06-22	Verfahren zur Herstellung von hochreinen teilfluorierten Äthanen
DE69512250T2 (de)	2000-04-20	Verfahren zur herstellung von 1,1,1,3,3,3- hexafluorpropan
DE69023759T2 (de)	1996-06-20	Verfahren zur herstellung von 1,1,1,2-tetrafluoroäthan.
DE2739478C2 (da)	1989-01-05
DE69400036T2 (de)	1996-07-18	Reinigung von Pentafluorethan.
DE69515036T2 (de)	2000-07-13	Verfahren zur herstellung von difluormethan
DE69417746T2 (de)	1999-11-11	Verfahren zur Herstellung von 1,1,1,3,3-Pentafluorpropan
DE19654720C2 (de)	2003-06-26	Verfahren zur Herstellung von Hexafluorethan
DE69412014T2 (de)	1999-04-01	Verfahren zur Herstellung von 1-Chlor-1-Fluorethan und/oder 1,1-Difluorethan
DE69500938T2 (de)	1998-04-30	Verfahren zur Trennung von Fluorwasserstoff und Difluormethan
DE69432236T2 (de)	2003-11-27	Fluorierte Propane und Pentane
DE69010442T2 (de)	1995-02-23	Reinigung von 1,1-Dichlor-1-fluorethan.
DE19843681A1 (de)	1999-05-20	Synthese von 1,1,1,3,3-Pentafluorpropan
DE68905327T2 (de)	1993-09-30	Verfahren zur Herstellung von 1,1,1,2-tetrafluorethan.
DE69303093T2 (de)	1997-02-06	Verfahren zur Reinigung von einem Hydrofluoralkan
EP0133690B1 (de)	1986-07-02	Verfahren zur thermischen Spaltung von 1,2-Dichlorethan
EP0567872B1 (de)	1996-03-06	Verfahren zur Herstellung von Hexafluorbutan und dabei zugängliche Zwischenprodukte